Zoom problem with Polar

Hi,

Is it normal we can't use the zoom mode on a polar?

regards,
Philippe

I'm using on Windows :/:
- Pyhon 2.3
- Matplotlib 0.72
- numarray 1.2.3
- pygtk 2.4.1
- GTk re 2.6.2 rc1
- GTKagg as backend

Traceback (most recent call last):

  File "C:\Python23\Lib\site-packages\matplotlib\backends\backend_gtk.py", line 158, in button_release_event
    FigureCanvasBase.button_release_event(self, x, y, event.button)
  File "C:\Python23\Lib\site-packages\matplotlib\backend_bases.py", line 723, in button_release_event
    func(event)
  File "C:\Python23\Lib\site-packages\matplotlib\backend_bases.py", line 1219, in release_zoom
    a.set_xlim((xmin, xmax))
  File "C:\Python23\Lib\site-packages\matplotlib\axes.py", line 2815, in set_xlim
    if self.transData.get_funcx().get_type()==LOG10 and min(vmin, vmax)<=0:
RuntimeError: This transformation does not support get_funcx